ESTABLISHED IN 1872
THE POPULAR SCIENCE
MONTHLY
3 DOLLARS A YEAR
25 CENTS A NUMBER
EDITED BY PROFESSOR J. MCKEEN CATTELL
The PopularScience Monthly
Opens with an article by Professor W. A. Locy, on Malpighi, Swammerdam
and Leeuwenhoek, the three men to whom we owe the foundations of biological
science. The article is elaborately illustrated with portraits and reproductions
from the original works. Mr. Havelock Ellis continues his interesting studies
of" British Men of Genius."
Professor Paul M. Hanus, of Harvard Univer
sity, discusses two contemporary problems in education, elective studies in
schools and the gap between the High school and the lower grades. Professor
Edwin G. Dexter, of the University of Illinois, gives statistics showing the
influence of the weather on suicide. Professor E. A. Andrews, of Johns
Hopkins University, gives in a well illustrated article some curious facts in
regard to frogs that care for their young. Mr. Frederick Emory describes the
enormous increase in the trade of the United States. Mr. Charles H. Cochrane
contributes an article illustrating less known forms of flying machines. Pro
fessor G. N. Stewart, of Western Reserve University, reviews recent progress in
physiology, and there are the usual departments devoted to Discussion and
Correspondence, Scientific Literature and the Progress of Science.
McCLURE, PHILLIPS & CO.
141-155
EAST 25TH STREET, NEW YORK CITY